LED bulb



FIG. 1 is a perspective view of the LED bulb showing my new design;

FIG. 2 is an exploded perspective view thereof showing the cover detached;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings depict portions of the LED bulb and form no part of the claimed design. 

CLAIM The ornamental design for an LED bulb, as shown and described. 